tracing: Fix memory leak in tracingreadpipe()
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.10 by commit a7d3f8f33c113478737bc61bb32ec5f9a987da7d, it was introduced in version v5.12 by commit efbbdaa22bb78761bff8dfdde027ad04bedd47ce. For more details please see the references link.